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| import _ from 'lodash';
import React from 'react';
import { lucidClassNames } from '../../util/style-helpers';
import { createClass, omitProps } from '../../util/component-types';
const cx = lucidClassNames.bind('&-AxisLabel');
const {
number,
string,
oneOf,
object,
} = React.PropTypes;
/**
* {"categories": ["visualizations", "chart primitives"]}
*
* *For use within an `svg`*
*
* Centered labels for axes that typically are fit into the margins of a chart.
*/
const AxisLabel = createClass({
displayName: 'AxisLabel',
propTypes: {
/**
* Passed through to the root element.
*/
style: object,
/**
* Appended to the component-specific class names set on the root element.
*/
className: string,
/**
* Height of the margin this label should fit into.
*/
height: number.isRequired,
/**
* Width of the margin this label should fit into.
*/
width: number.isRequired,
/**
* Strings should match an existing color class unless they start with a
* '#' for specific colors. E.g.:
*
* - `COLOR_0`
* - `COLOR_GOOD`
* - `'#123abc'`
*/
color: string,
/**
* Contents of the label, should only ever be a string since we use a `text`
* under the hood.
*/
label: string,
/**
* Determine orientation of the label.
*/
orient: oneOf(['top', 'bottom', 'left', 'right']),
},
getDefaultProps() {
return {
color: '#000',
};
},
render() {
const {
height,
width,
orient,
label,
color,
style,
className,
...passThroughs,
} = this.props;
const isH = orient === 'top' || orient === 'bottom';
const isCustomColor = _.startsWith(color, '#');
const colorStyle = isCustomColor ? { fill: color } : null;
return (
<text
{...omitProps(passThroughs, AxisLabel)}
style={{
...colorStyle,
...style,
}}
className={cx(className, '&', {
[`&-${color}`]: !isCustomColor,
})}
x={isH ? width / 2 : height / 2 * -1}
y={orient === 'right' ? width : orient === 'bottom' ? height : 0}
dy={orient === 'top' || orient === 'left' ? '1em' : '-.32em'}
transform={isH ? '' : 'rotate(-90)'}
>
{label}
</text>
);
},
});
export default AxisLabel;
|